diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst index 1332c53f39687e..13ba841e2ff753 100644 --- a/Doc/tutorial/datastructures.rst +++ b/Doc/tutorial/datastructures.rst @@ -12,9 +12,8 @@ and adds some new things as well. More on Lists ============= -The list data type has some more methods. Here are all of the methods of list -objects: - +The :ref:`list ` data type has some more methods. Here are all +of the methods of list objects: .. method:: list.append(x) :noindex: @@ -445,10 +444,11 @@ packing and sequence unpacking. Sets ==== -Python also includes a data type for *sets*. A set is an unordered collection -with no duplicate elements. Basic uses include membership testing and -eliminating duplicate entries. Set objects also support mathematical operations -like union, intersection, difference, and symmetric difference. +Python also includes a data type for *sets* (see :ref:`types-set`). A set is +an unordered collection with no duplicate elements. Basic uses include +membership testing and eliminating duplicate entries. Set objects also +support mathematical operations like union, intersection, difference, and +symmetric difference. Curly braces or the :func:`set` function can be used to create sets. Note: to create an empty set you have to use ``set()``, not ``{}``; the latter creates an